Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * AVR32 endian-conversion functions. |
| 3 | */ |
| 4 | #ifndef __ASM_AVR32_BYTEORDER_H |
| 5 | #define __ASM_AVR32_BYTEORDER_H |
| 6 | |
| 7 | #include <asm/types.h> |
| 8 | #include <linux/compiler.h> |
| 9 | |
| 10 | #ifdef __CHECKER__ |
| 11 | extern unsigned long __builtin_bswap_32(unsigned long x); |
| 12 | extern unsigned short __builtin_bswap_16(unsigned short x); |
| 13 | #endif |
| 14 | |
Haavard Skinnemoen | bafe680 | 2008-03-10 12:56:12 +0100 | [diff] [blame] | 15 | /* |
| 16 | * avr32-linux-gcc versions earlier than 4.2 improperly sign-extends |
| 17 | * the result. |
| 18 | */ |
| 19 | #if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 20 | #define __arch__swab32(x) __builtin_bswap_32(x) |
| 21 | #define __arch__swab16(x) __builtin_bswap_16(x) |
Haavard Skinnemoen | bafe680 | 2008-03-10 12:56:12 +0100 | [diff] [blame] | 22 | #endif |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 23 | |
| 24 | #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) |
| 25 | # define __BYTEORDER_HAS_U64__ |
| 26 | # define __SWAB_64_THRU_32__ |
| 27 | #endif |
| 28 | |
| 29 | #include <linux/byteorder/big_endian.h> |
| 30 | |
| 31 | #endif /* __ASM_AVR32_BYTEORDER_H */ |